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Open the app drawer and go to Settings. Please note that I am using the Go launcher with the default Samsung touchwiz icons. The Settings icon will be different on other phones.

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When you are in the Settings screen, scroll down to find the Security section and tap on it.

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Scroll down to the Device administration section and check the Unknown sources option.

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Tap OK when the warning window appears.

The description of Videx App

Videx app powered by www.mycoolmoviez.net ,In which user can select movies in different genres like Punjabi, Bollywood , Funny and Mashups.User Can Also Download Movies From Here With Different Categories.We Provide All Latest Movies Stuff Here . There are numbers of Movies videos or audio in different quality and format.